Efficacy and Safety of MTBF Conditioning Regimen for Salvageable Allo-HSCT in the Treatment of R/R AML

"The subjects will be treated with mitoxantrone hydrochloride liposome combined with thiotepa, busulfan and fludarabine as conditioning regimen prior to allo-HSCT.~Mitoxantrone hydrochloride liposome 24mg/m\^2 ivgtt d-7; Ctepide 5mg/kg ivgtt d-6\~-5; Busulfan 0.8mg/kg q6h ivgtt d-4\~-2; Fludarabine 50mg/m\^2 ivgtt d-4\~-2."